Citations:tarphyceracone

English citations of tarphyceracone

• 1964, New Mexico. Bureau of Mines and Mineral Resources, Memoir:

  The tarphycone or tarphyceracone is one in which the whorls are in contact or in which involution is only […]

• 1936, Bulletins of American Paleontology:

  A rapidly expanding tarphyceracone of fewer than three complete volutions, the whorls in contact, but with only an incipient impressed zone which is visible on the base of the living chamber and the two adapertural camera in the […]

• 1964, U.S. Geological Survey Professional Paper, page 88:

  […] a tarphophioceracone is a nautiloid conch that begins as a tarphyceracone, with the whorls in contact, but later straightens out so that the whorl loses contact with the preceding volution.

• 1967, Proceedings of the Geological Society of London:

  […] Cephalopods; orthoceracone and tarphyceracone nautiloids […]

• 2002, Aspects of the Ordovician System in Argentina:

  Gradually expanded tarphyceracone, whorl section subcircular to sligtly depessed. Dorsal siphuncle with orthochoanitic septal necks. Suture simple with a ventral and a dorsal saddle with wide lateral lobe.

• 2019, AH King, DH Evans, High-level classification of the nautiloid cephalopods: a proposal for the revision of the Treatise Part K, Swiss Journal of Palaeontology:

  Contains the earliest ‘coiled’ nautiloids but shell form ranges from loosely coiled tarphyceracones, serpenticones, and gyrocones (occasionally torticones) with varying degrees of […]